Aerospace series - Nuts, hexagon, plain, reduced height, reduced across flats, in heat resisting steel, silver plated, left hand thread - Classification 600 MPa (at ambient temperature)/ 425° C; German and English version FprEN 2924:2018
German title
Luft- und Raumfahrt - Flache Sechskantmuttern, kleine Schlüsselweite, aus hochwarmfestem Stahl, versilbert, Linksgewinde - Klasse: 600 MPa (bei Raumtemperatur) / 425 °C; Deutsche und Englische Fassung FprEN 2924:2018
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